Synthesis of 4H-chromenes by silver(Ⅰ)-catalyzed cycloaddition of ortho-quinone methides with N-allenamides

被引：0
|
作者：
Long Kong [1 ]
Nuligonda Thirupathi [1 ]
Jiong Jia [1 ]
Zhenghu Xu [1 ,2 ]
机构：
[1] Key Laboratory for Colloid and Interface Chemistry of Education Ministry, Department of Chemistry, Shandong University
[2] State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
来源：
Science China(Chemistry) | 2019年 / 01期
基金：
中国国家自然科学基金;
关键词：
4H-chromene; ortho-quinone methide; N-allenamide; silver-catalysis; cycloaddition;
D O I：
暂无
中图分类号：
O621.3 [有机合成化学];
学科分类号：
070303 ; 081704 ;
摘要：
Chromenes represent an important class of six-membered heterocycles and have drawn tremendous attention in recent years. In this article, we report a convenient and practical synthesis of this heterocycle by a silver(I)-catalyzed cycloaddition reaction between in situ generated ortho-quinone methides and N-allenamides. Diverse 4H-chromenes were synthesized in good to excellent yields under very mild conditions.
引用
收藏
页码：80 / 86
页数：7
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